meteoroid d流星体
Meteoroid Stream流星体流;流星体带
lunar meteoroid[天] 月球流星体
meteoroid impact宇宙尘碰撞
meteoroid body流星体
meteoroid texonomy[天] 流星体分类
meteoroid model流星体模式
Meteoroid protection流星防护
Water meteoroid水
N（名词） any of the small celestial bodies that are thought to orbit the sun, possibly as the remains of comets. When they enter the earth's atmosphere, they become visible as meteors 流星